Fit & sizing /

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Display measurements in

Geometry

15.5"

17.5"

19"

21"

22.5"

Actual Frame Size

15.5"

17.5"

19"

21"

22.5"

ASeat tube

36.6

41.7

46.7

50.5

54.3

BSeat tube angle

74.5 °

74.0 °

73.5 °

73.0 °

72.5 °

CHead tube length

11.4

12.4

13.4

14.4

15.4

DHead angle

70.0 °

71.0 °

71.0 °

71.5 °

72.0 °

EEffective top tube

57.5

59.0

60.5

62.0

63.5

FBottom bracket height

29.4

29.4

29.4

29.4

29.4

HChainstay length

45.5

45.5

45.5

45.5

45.5

IOffset

3.8

3.8

3.8

3.8

3.8

JTrail

8.5

8.2

8.2

7.8

7.5

KWheelbase

109.1

109.5

110.5

111.0

111.2

LStandover

73.8

76.1

79.1

81.5

84.1

15.5"

17.5"

19"

21"

22.5"

Actual Frame Size

15.5"

17.5"

19"

21"

22.5"

ASeat tube

14.41

16.42

18.39

19.88

21.38

BSeat tube angle

74.5 °

74.0 °

73.5 °

73.0 °

72.5 °

CHead tube length

4.49

4.88

5.28

5.67

6.06

DHead angle

70.0 °

71.0 °

71.0 °

71.5 °

72.0 °

EEffective top tube

22.64

23.23

23.82

24.41

25.00

FBottom bracket height

11.57

11.57

11.57

11.57

11.57

HChainstay length

17.91

17.91

17.91

17.91

17.91

IOffset

1.50

1.50

1.50

1.50

1.50

JTrail

3.35

3.23

3.23

3.07

2.95

KWheelbase

42.95

43.11

43.50

43.70

43.78

LStandover

29.06

29.96

31.14

32.09

33.11

Get fit with Trek Precision Fit

Visit your Trek retailer for a personal fitting. It's the best way to improve your performance on the bike.